Q. Short answer type question:What are Puranas? Mention some of their features.

Q. What are pleomorphic bacteria? Give an example.

Q. Very Short Answer Type Question.Name two celestial bodies visible only in the night sky.

Q. What is DPD ?

Q. Name two animals which move without bones.

Q. Name the chemical used in black and white photography.

Q. What is Newland’s law of octaves .Explain with an example.

Q. What is meant by Cold War?

Q. What do you understand by food web? Describe a food web with the help of a diagrammatic representation.

Q. Give two examples of solid elements.